Use the values from practice it to you work this exercise. suppose you wanted to limit the force acting on your joint to a maximum value of 8.32 102 n. (a) under these circumstances, what maximum weight would you attempt to lift?

You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?

When you notice something that is happening, what are you making? a. an observation b. a law c. a theory d. an experiment

Ascientist studies a model of a widely accepted theory about the universe. the model would most likely the scientist to understand a theory which cannot be observed prove that the theory would not change in the future demonstrate how the theory can be changed into a law prove that all other theories about the universe are incorrect